package string;

/**
 * 说明:
 *
 * @author:SuZhongHe
 * @date:2023/2/28
 **/
public class StringBuilderDemo {
    public static void main(String[] args) {
        String str="好好学习Java";
        StringBuilder builder = new StringBuilder(str);
        builder.append(",为了找个好工作");
        System.out.println(builder);
        builder.replace(9,16,"就是为了改变世界");
        System.out.println(builder);
        builder.delete(0,8);
        System.out.println(builder);
        builder.insert(0,"活着");
    }
}
